diff --git a/src/main/java/com/yem/em/ass/dynamic/AssepcNewDynamicEdut.java b/src/main/java/com/yem/em/ass/dynamic/AssepcNewDynamicEdut.java
index 83cf11e3..3cff44b2 100644
--- a/src/main/java/com/yem/em/ass/dynamic/AssepcNewDynamicEdut.java
+++ b/src/main/java/com/yem/em/ass/dynamic/AssepcNewDynamicEdut.java
@@ -5,6 +5,7 @@ import com.yem.em.utils.AtlasUtils;
 import com.yem.em.utils.SubRelationUtils;
 import com.yem.wm.utils.DynamicObjectUtil;
 import com.yem.wm.utils.StringUtils;
+import com.yem.wm.utils.YEM;
 import kd.bos.bill.BillShowParameter;
 import kd.bos.bill.OperationStatus;
 import kd.bos.context.RequestContext;
@@ -481,6 +482,7 @@ public class AssepcNewDynamicEdut extends AbstractFormPlugin implements BeforeBi
         } else {
             for (DynamicObject dynamicObject : collection) {
                 Date breakpointime = dynamicObject.getDate("yem_breakpointime");
+                if (YEM.isEmpty(breakpointime)) continue;
                 String key = sdf.format(breakpointime);
                 List<DynamicObject> list;
                 if (map.containsKey(key)) {